#ifndef __TIME_STAMP_H__
#define __TIME_STAMP_H__
//通过预定义宏，防止头文件重复编译

#include <cctype>
#include <string>

class TimeStamp{
private:
    int64_t m_secondSinceEpoch;

public:
    TimeStamp();
    TimeStamp(int64_t);
    std::string ToString();
    static TimeStamp Now();
};

#endif